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    <title>is_connex</title>
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    <center>Scilab function</center>
    <div align="right">Last update : September 1995</div>
    <p>
      <b>is_connex</b> -  connectivity test</p>
    <h3>
      <font color="blue">Calling Sequence</font>
    </h3>
    <dl>
      <dd>
        <tt>res = is_connex(g)  </tt>
      </dd>
    </dl>
    <h3>
      <font color="blue">Parameters</font>
    </h3>
    <ul>
      <li>
        <tt>
          <b>g</b>
        </tt>: graph list</li>
      <li>
        <tt>
          <b>res</b>
        </tt>: integer, result of the test</li>
    </ul>
    <h3>
      <font color="blue">Description</font>
    </h3>
    <p>
      <tt>
        <b>is_connex</b>
      </tt> returns 1 if the graph <tt>
        <b>g</b>
      </tt> is connected and 0 otherwise.</p>
    <h3>
      <font color="blue">Examples</font>
    </h3>
    <pre>

g=make_graph('foo',1,3,[1,2,3,1],[2,3,1,3]);
is_connex(g)
g=make_graph('foo',1,4,[1,2,3,1],[2,3,1,3]);
is_connex(g)
 
  </pre>
    <h3>
      <font color="blue">See Also</font>
    </h3>
    <p>
      <a href="con_nodes.htm">
        <tt>
          <b>con_nodes</b>
        </tt>
      </a>,&nbsp;&nbsp;<a href="strong_connex.htm">
        <tt>
          <b>strong_connex</b>
        </tt>
      </a>,&nbsp;&nbsp;</p>
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